blackfish

noun

1. large dark-colored food fish of the Atlantic coast of North America

   noun.animal

   Synonyms tautog tautoga onitis

   Source: WordNet 3.0

2. female salmon that has recently spawned

   noun.animal

   Source: WordNet 3.0

3. small dark-colored whale of the Atlantic coast of the United States; the largest male acts as pilot or leader for the school

   noun.animal

   Synonyms black whale common blackfish globicephala melaena pilot whale

   Source: WordNet 3.0

4. A small kind of whale, of the genus <i>Globicephalus</i>, of several species. The most common is <i>G. melas</i>. Also sometimes applied to other whales of larger size.

   noun

   Source: webster1913